Boxwood Company sells blankets for $34 each. The following information was taken from the inventory records during May. The company had no beginning inventory on May 1. Boxwood uses a perpetual inventory system. Date Blankets Units Cost May 3 Purchase 7 $20 10 Sale 4 17 Purchase 10 $15 20 Sale 5 23 Sale 3 30 Purchase 10 $20 Determine the cost of goods sold for the sale of May 20 using the LIFO inventory costing method. a. $45 b. $80 c. $200 d. $75